305029113240 has 64 divisors (see below), whose sum is σ = 915164789760. Its totient is φ = 81334212480.

The previous prime is 305029113209. The next prime is 305029113253. The reversal of 305029113240 is 42311920503.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 305029113198 and 305029113207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1404345 + ... + 1606935.

It is an arithmetic number, because the mean of its divisors is an integer number (14299449840).

Almost surely, 2^305029113240 is an apocalyptic number.

305029113240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

305029113240 is an abundant number, since it is smaller than the sum of its proper divisors (610135676520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

305029113240 is a wasteful number, since it uses less digits than its factorization.

305029113240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215152 (or 215148 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The spelling of 305029113240 in words is "three hundred five billion, twenty-nine million, one hundred thirteen thousand, two hundred forty".